Use Annealed Copper Gaskets
Specifications
- Vacuum Leak Rate UHV <5x10-10 mbar l/s
- Size or DN DN63CF (4 ½ " OD flange)
- Compliance ISO 3669:2017
- Vacuum Seal Cu Gasket
- Body Material Stainless Steel 304
- Temperature Range 200°C max 5°C per minute
- Transmission 150-9000nm
- Inside Diameter 48mm
- Flatness λ/4 @632nm
- Surface Finish 20-10 Scratch-dig
- Optical Material CaF2
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